API Design Fest '08!

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API Design Fest '08!

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As part of promotion of "Practical API Design: Confessions of a Java Framework Architect" and also in celebration of the 10th anniversary of NetBeans releases, we decided to play again the game described in Chapter 17 of the book: an API design fest. The participants include primarily members of Czech JUG, extended potentially with everyone who'd like to play the game and to celebrate with us.

Thanks to the courtesy of Arseniy Kuznetsov, director of NetBeans, the winner(s) of the API Design Fest08 will receive a copy of "Practical API Design: Confessions of a Java Framework Architect" .

There will be a few rounds in the competition, during which the participants are supposed to solve tasks given to them in a timely manner. They should send their results to the API Fest 08 mailing list. The whole competition will use rules like those of the First API Design Fest.

Task 1

The first task consists of downloading the template. The preferred way is to use Mercurial and clone the apifest08 repository:

hg clone http://source.apidesign.org/hg/apifest08/

You will get an Ant project in the currency directory. It is designed to be opened in NetBeans IDE easily, but it can also be manipulated from the command line or other tools by those who prefer pain over comfort.

Two sources files are important:

The project is currently not compilable (you need to make the Convertor class public somehow), compile it, compile its tests and execute the tests so they pass without a failure.

Remember that Runtime Aspects of APIs are as important as API signatures.

Finally zip your project and send it to the API Fest 08 mailing list by Friday, Sep 26, 2008!

cd apifest08/currency
ant clean
zip -r $HOME/myname-task1.zip

We'll discuss your design decisions on Czech JUG session on Monday, Sep 29, 2008 together with announcement of the second task!

For those who will not make the Mercurial work for them, there is an alternative option: You can download source ZIP file from the repository snapshot, unzip it and use it directly.

As processing of the results might take some time, we need to set the following rules:

  • members of CZJUG takes precedence
  • first come, first served
  • if we run out of our capacity, we can stop processing further solutions


Final Round

There will be multiple rounds each with new task. The goal is to finish the last round and select the winner by Oct 26, 2008 - that is the day of the NetBeans first release anniversary!

That is all, happy API designing!

From http://wiki.apidesign.org/wiki/APIFest08


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